Pope Leo XII was head of the Catholic Church and leader of the Papal States from 28 September 1823 to his death in February 1829.
Portrait by Charles Picqué, 1828
"The Grand Gala Berlin", a luxury carriage constructed in Rome during the first half of the nineteenth century, is an order of the States of the Church during the reign of two pontiffs: Leo XII, in the years 1824–1826, and Gregory XVI, who requested some important modifications. The carriage was used for five solemn festive occasions in the year.
The Tiber with Castel Sant'Angelo, Ponte Sant'Angelo and St. Peter in the time of Leo XII, by Silvestr Feodosievich Shchedrin
Bust of Pope Leo XII, c. 1820s
Pope Gregory XVI was head of the Catholic Church and leader of the Papal States from 2 February 1831 to his death in June 1846. He had adopted the name Mauro upon entering the religious order of the C
Pope Leo XII
…He held 8 consistories in which he elevated 25 new cardinals into the cardinalate. This included Cardinal Bartolomeo Alberto Cappellari – the future Pope Gregory XVI – on 13 March 1826. In addition, Leo XII nominated three cardinals whom he reserved "in pectore" but later revealed. For the December 1824 allocations…
Portrait by Paul Delaroche, 1844
Coin of Pope Gregory XVI, 1834
Pope Gregory XVI leading a Eucharistic procession. Painting by Ferdinando Cavalleri (1840)